public SpanRegexQuery(Term term) 
{
    this.term = term;
}

 public boolean equals(Object o) 
{
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;
    final SpanRegexQuery that = (SpanRegexQuery) o;
    if (!regexImpl.equals(that.regexImpl)) return false;
    if (!term.equals(that.term)) return false;
    return true;
}

 public String getField() 
{
    return term.field();
}

 public RegexCapabilities getRegexImplementation() 
{
    return regexImpl;
}

 public Spans getSpans(IndexReader reader) throws IOException 
{
    throw new UnsupportedOperationException("Query should have been rewritten");
}

 public Term getTerm() 
{
 return term;
}

 public Collection<Term> getTerms() 
{
    Collection< Term > terms = new ArrayList< Term >();
    terms.add(term);
    return terms;
}

 public int hashCode() 
{
    int result;
    result = regexImpl.hashCode();
    result = 29 * result + term.hashCode();
    return result;
}

 public Query rewrite(IndexReader reader) throws IOException 
{
    RegexQuery orig = new RegexQuery(term);
    orig.setRegexImplementation(regexImpl);
    orig.setRewriteMethod(RegexQuery.SCORING_BOOLEAN_QUERY_REWRITE);
    BooleanQuery bq = (BooleanQuery) orig.rewrite(reader);
    BooleanClause[] clauses = bq.getClauses();
    SpanQuery[] sqs = new SpanQuery[clauses.length];
    for (int i = 0; i <  clauses.length; i++) {
      BooleanClause clause = clauses[i];
      // Clauses from RegexQuery.rewrite are always TermQuery's
      TermQuery tq = (TermQuery) clause.getQuery();
      sqs[i] = new SpanTermQuery(tq.getTerm());
      sqs[i].setBoost(tq.getBoost());
    }
    SpanOrQuery query = new SpanOrQuery(sqs);
    query.setBoost(orig.getBoost());
    return query;
}

 public  void setRegexImplementation(RegexCapabilities impl) 
{
    this.regexImpl = impl;
}

 public String toString(String field) 
{
    StringBuilder buffer = new StringBuilder();
    buffer.append("spanRegexQuery(");
    buffer.append(term);
    buffer.append(")");
    buffer.append(ToStringUtils.boost(getBoost()));
    return buffer.toString();
}